BR112012028790A2 - device and method for measuring currents in a bearing - Google Patents

device and method for measuring currents in a bearing

Info

Publication number
BR112012028790A2
BR112012028790A2 BR112012028790A BR112012028790A BR112012028790A2 BR 112012028790 A2 BR112012028790 A2 BR 112012028790A2 BR 112012028790 A BR112012028790 A BR 112012028790A BR 112012028790 A BR112012028790 A BR 112012028790A BR 112012028790 A2 BR112012028790 A2 BR 112012028790A2
Authority
BR
Brazil
Prior art keywords
bearing
currents
measurement
measuring currents
contact
Prior art date
Application number
BR112012028790A
Other languages
Portuguese (pt)
Inventor
Carsten Probol
Gerd Michaelis
Jörg Hassel
Original Assignee
Siemens Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of BR112012028790A2 publication Critical patent/BR112012028790A2/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
    • H02K2211/03—Machines characterised by circuit boards, e.g. pcb
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

dispositivo e método para a medição de correntes em um manical. a presente invenção refere-se a um método de medição e a um dispositivo que permitem uma melhor avaliação de correntes de mancal. mais ainda, um método e um dispositivo são especificados, o referido método implementando uma medição sem contato de correntes de mancal. uma medição de voltagem sem contato é realizada por meio de um circuito em série de capacitores. a voltagem de mancal pode ser detectada especialmente bem desta maneira, mesmo na faixa de frequência alta.device and method for measuring currents in a manical. The present invention relates to a measurement method and a device which allows a better assessment of bearing currents. further, a method and a device are specified, said method implementing non-contact measurement of bearing currents. A non-contact voltage measurement is performed by means of a capacitor series circuit. The bearing voltage can be detected especially well in this way, even in the high frequency range.

BR112012028790A 2010-05-11 2010-05-11 device and method for measuring currents in a bearing BR112012028790A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/002905 WO2011141038A1 (en) 2010-05-11 2010-05-11 Device and method for measuring currents in a bearing

Publications (1)

Publication Number Publication Date
BR112012028790A2 true BR112012028790A2 (en) 2016-07-19

Family

ID=43428629

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012028790A BR112012028790A2 (en) 2010-05-11 2010-05-11 device and method for measuring currents in a bearing

Country Status (6)

Country Link
US (1) US9035664B2 (en)
EP (1) EP2532079A1 (en)
CN (1) CN102893503B (en)
BR (1) BR112012028790A2 (en)
RU (1) RU2550155C2 (en)
WO (1) WO2011141038A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3154173A1 (en) 2015-10-08 2017-04-12 ABB Schweiz AG Electrical machine with an active grounding
CN105277861A (en) * 2015-11-19 2016-01-27 南车株洲电机有限公司 Method for testing motor bearing dielectric strength
EP3704464B1 (en) * 2017-11-03 2021-03-31 ABB Schweiz AG Arrangement for monitoring antifriction bearing of rotating shaft of rotating electric machine
RU2713467C1 (en) * 2018-10-18 2020-02-05 Федеральное государственное бюджетное образовательное учреждение высшего образования "Оренбургский государственный университет" Method of monitoring electric current through bearings of electric machine and current transformer for its implementation
CN109444741A (en) * 2018-11-22 2019-03-08 黄茂连 A kind of DC motor rotor test equipment
CN113960470B (en) * 2021-08-24 2022-07-15 北京金风慧能技术有限公司 Method and device for detecting shaft current of generator
KR102571522B1 (en) * 2023-07-05 2023-08-25 한국자동차연구원 Equivalent circuit modeling method for evaluating electrolytic lifespan of electric vehicle drive motor bearings

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU114599A1 (en) * 1957-06-24 1957-11-30 Ю.Н. Бобков Method of measuring bearing currents in an electric machine
CH399963A (en) * 1962-05-22 1965-09-30 Bbc Brown Boveri & Cie Device for monitoring bearings
DE1588983B1 (en) * 1967-06-16 1971-01-07 Allianz Device for avoiding or at least reducing unipolar voltages in rotating machines
SU1176419A1 (en) * 1984-03-21 1985-08-30 Рижский Краснознаменный Институт Инженеров Гражданской Авиации Им.Ленинского Комсомола Device for checking ball bearings of electric machine
SU1197011A1 (en) * 1984-03-29 1985-12-07 Рижский Краснознаменный Институт Инженеров Гражданской Авиации Им.Ленинского Комсомола Device for checking bearings of electric machine
RU2036462C1 (en) * 1991-11-12 1995-05-27 Ставропольский политехнический институт Method of integral evaluation of quality of prestressed bent reinforced concrete elements and device for its realization
US6140931A (en) * 1998-01-13 2000-10-31 Toshiba Kikai Kabushiki Kaisha Spindle state detector of air bearing machine tool
US6300701B1 (en) 1999-02-23 2001-10-09 General Electric Canada Inc. Rogowski coil method of determination of bearing lubrication in dynamoelectric machines
US6297465B1 (en) 2000-05-25 2001-10-02 Eaton Corporation Two piece molded arc chute
DE10242310A1 (en) 2001-11-16 2003-07-10 Abb Patent Gmbh Electric arc extinguishing unit for an electric switch, comprises a housing with upper and lower sections and an extinguishing chamber
RU2242646C2 (en) * 2002-12-27 2004-12-20 Федеральное государственное унитарное предприятие НПП ВНИИЭМ Magnetic bearing
DE102004056996A1 (en) * 2004-11-25 2006-06-01 Siemens Ag Machine arrangement with a machine having a base body and an additional body
DE102005027670A1 (en) 2005-06-15 2007-01-11 Siemens Ag Arrangement and method for bearing current monitoring of an electric motor
ATE439695T1 (en) 2006-03-13 2009-08-15 Skf Ab METHOD AND DEVICE FOR DETECTING ELECTRICAL DISCHARGES IN A BEARING OF AN ELECTRICAL DRIVE SYSTEM
US7705263B2 (en) 2008-04-15 2010-04-27 General Electric Company Arc chute assembly for a circuit breaker
FI20080438A0 (en) * 2008-07-15 2008-07-15 Abb Oy Method and apparatus for measuring bearing currents in an electric machine
DE102008035613A1 (en) * 2008-07-25 2010-01-28 Siemens Aktiengesellschaft Method and arrangement for bearing current monitoring of an electrical machine
EP2513642A1 (en) 2010-02-24 2012-10-24 Siemens Aktiengesellschaft Method for detecting plasma bearing currents
ES2732884T3 (en) * 2010-03-01 2019-11-26 Siemens Ag Procedure to monitor the grounding function and use of the procedure

Also Published As

Publication number Publication date
US20130049772A1 (en) 2013-02-28
CN102893503B (en) 2016-01-20
US9035664B2 (en) 2015-05-19
WO2011141038A1 (en) 2011-11-17
EP2532079A1 (en) 2012-12-12
RU2012153247A (en) 2014-06-20
RU2550155C2 (en) 2015-05-10
CN102893503A (en) 2013-01-23

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO ARQUIVAMENTO PUBLICADO NA RPI 2514 DE 12/03/2019.